Morrison Bros 234BDI0200 AV 3" Gate Valve Flanged Locking 1 Micron The vent allows the tank

The vent allows the tank to “breathe” during filling and dispensing operations

They also have a max reservoir fluid flow rate of 150 GPM

FlowLock‚ allows nozzle to shut-off when falling out of a vehicle

Venturi-Type Shut-Off Mechanism for automatic shut-off

National Fire Code of Canada

Morrison Bros 234BDI0200 AV 3" Gate Valve Flanged Locking 1 Micron The vent allows the tankRising stem gate vales are used for manual flow control in petro chemical liquid handling systems and bulk plants. NOTE: Fig. 234 series is not equipped with expansion relief capability. If expansion relief is needed, please look at Fig. 534 or Fig. 535. Standard Features Double disc design provides positive shut off when in the closed position 200 PSI WOG cold non shock 150# raised face flanges Valve can be left partially open to control flow rate